Open AccessWideband spectral compression of wavelength-tunable ultrashort soliton pulse using comb-profile fiber
Author(s) -
Norihiko Nishizawa,
Koji Takahashi,
Yasuyuki Ozeki,
Kazuyoshi Itoh
Publication year - 2010
Publication title -
optics express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.18.011700
Subject(s) - optics , pulse compression , materials science , ultrashort pulse , soliton , wavelength , dispersion shifted fiber , fiber , dispersion (optics) , zero dispersion wavelength , frequency comb , optical fiber , fiber optic sensor , physics , laser , telecommunications , radar , nonlinear system , quantum mechanics , computer science , composite material
We demonstrated spectral compression of ultrashort soliton pulses in a wide wavelength region based on an adiabatic soliton spectral compression technique using a comb-profile fiber. The comb-profile fiber was carefully designed using numerical analysis and fabricated using a conventional single-mode fiber and a dispersion-shifted fiber. The spectral width of a 200 fs soliton pulse was compressed from 12 to 15 nm to 0.54-0.71 nm in the wavelength region 1620-1850 nm, giving a spectral compression factor of up to 19.8-25.9. Owing to the soliton effect, the side lobe level was suppressed to -19.2 to -9.7 dB.